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added TBD code

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This commit is contained in:
merlokk 2018-01-23 17:00:04 +02:00
commit c3a4f4c7ed
1 changed files with 22 additions and 7 deletions
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17
client/mifarehost.c
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@ -579,6 +579,7 @@ uint32_t ks3;
uint32_t uid; // serial number
uint32_t nt; // tag challenge
uint32_t nt_enc; // encrypted tag challenge
uint32_t nr_enc; // encrypted reader challenge
uint32_t ar_enc; // encrypted reader response
uint32_t at_enc; // encrypted tag response
@ -802,7 +803,11 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
case TRACE_AUTH1:
if (len == 4) {
traceState = TRACE_AUTH2;
if (!traceCrypto1) {
nt = bytes_to_num(data, 4);
} else {
nt_enc = bytes_to_num(data, 4);
}
return 0;
} else {
traceState = TRACE_ERROR;
@ -848,7 +853,16 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
printf("key> Prng: HARDEND\n");
}
} else {
printf("key> nested not implemented!\n");
if (validate_prng_nonce(nt)) {
at_enc = bytes_to_num(data, 4);
printf("key> nested... TBD\n");
crypto1_destroy(traceCrypto1);
traceState = TRACE_ERROR;
} else {
printf("key> hardnested not implemented!\n");
at_enc = bytes_to_num(data, 4);
crypto1_destroy(traceCrypto1);
@ -856,6 +870,7 @@ int mfTraceDecode(uint8_t *data_src, int len, bool wantSaveToEmlFile) {
// not implemented
traceState = TRACE_ERROR;
}
}
int blockShift = ((traceCurBlock & 0xFC) + 3) * 16;
if (isBlockEmpty((traceCurBlock & 0xFC) + 3)) memcpy(traceCard + blockShift + 6, trailerAccessBytes, 4);